<!DOCTYPE html>
<html>
 
<head>
    <meta charset="utf-8">
    <link rel="stylesheet" href="message.css">
</head>
 
<body>
     <i>
        <h1>留言板</h1>
     </i>
     <hr>
        <ul class="a"></ul>
 <form action="message.php" method="post">
        <div class="container"> 
            <input type="text" value="请输入用户名" name="username" required>
            <input type="text" value="请输入日期" name="time" required>
            <textarea placeholder="请留言" name="message" id="textarea" cols="36" rows="16"></textarea>
            <br>
            <button class="sub">发布</button>
        </div>
    </form>
    <form action="history.php" method="post">
            <button class="sub">历史发布</button>
    </form>
    <form action="exit.php" method="post">
        <input type="submit" value="退出登录"><br>
  </form>

</body>

</html>